- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.417
A Weather Bureau Army Navy (WBAN) station ID was found for this station. Older data may be available at the WBAN page.
High Temperatures
On September 12 in GARY/CHICAGO AIRPORT the average high temperature is 77.7 °F (25.4 °C). The lowest recored high temperature was 59.0 °F (15.0 °C) in 2014 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2005. The high temperature is usually* between 72.5 °F (22.5 °C) and 82.9 °F (28.3 °C). About a quarter of the time, the high temperature is less than 72.5 °F (22.5 °C), and another quarter of the time, the high temperature is greater than and 82.9 °F (28.3 °C). About 95% of the time, the high temperature has been between 62.6 °F (17.0 °C) and 92.8 °F (33.8 °C).
Low Temperatures
On September 12 in GARY/CHICAGO AIRPORT the average low temperature is 59.4 °F (15.2 °C). The lowest recored low temperature was 50.0 °F (10.0 °C) in 2017 and the lowest recored low temperature was 71.6 °F (22.0 °C) in 2021. The low temperature is usually* between 54.6 °F (12.6 °C) and 64.3 °F (17.9 °C). About a quarter of the time, the low temperature is less than 54.6 °F (12.6 °C), and another quarter of the time, the low temperature is greater than and 64.3 °F (17.9 °C). About 95% of the time, the low temperature has been between 45.4 °F (7.4 °C) and 73.5 °F (23.0 °C).
Frost
On September 12 in GARY/CHICAGO AIRPORT expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2024
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— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005